package main

import (
	"fmt"
)

func main() {
	fmt.Println("Hello")

	//nums := [][]byte{{'1', '1', '1', '1', '0'}, {'1', '1', '0', '1', '0'}, {'1', '1', '0', '0', '0'}, {'0', '0', '0', '0', '0'}}
	//a := leetcode101_xqzhao.NumIslands(nums)

}
